Pioneer DDJ-T1, Service Manual

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DDJ-T1
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[2] Quality judging of JOG dial load.
When it spends a power supply while pushing a FU N CTIO N button and a ACTI V E button of left deck simultaneously,
enters into this mode. (Please continue pushing until an opening display is completed. )
It is the mode which judges the load (light/heavy) when rotating JOG dial .
It goes into this mode, when JOG dial was turned with sufficient vigor, the following top speed and rotation fall time are
measured and top speed becomes more than 7 times, rotation fall time is evaluated, and it judges whether it goes into the
range of regular, and a result is displayed on LED.
The rotation direction, right rotation and left rotation, either is OK.
TOP SPEED : Top speed (let the time of turning one rotation in 1.8 second be 1 time speed)
ROTATIO N FALL TIME : Time taken for rotation to fall to 1.5 times speed from 3 times speed
It is necessary to make it rotate top speed to 7.0 or more times to measure the rotation fall time required.
N ot more than 7.0 times faster, it is made to blink 3 times and warns of JOG illuminations.
4 times displays the number of times of measurement on L ED.
The 1st end HOT CUE 1 ( SIZE <- ) lighting
The 2nd end HOT CUE 2 ( SIZE -> ) lighting
The 3rd end HOT CUE 3 ( BWD <- ) lighting
The 4th end HOT CUE 4 ( FWD -> ) lighting
After measurement finishes 4 times, an average is taken, and rotation fall time judges whether it goes into the range of regular,
and displays a result on LED.
Regulation value is 100 ± 40 [msec].
OK
LOOP ACTI V E lighting
N G (Light) LOOP OUT lighting
N G (Heavy) LOOP I N lighting
Measurement is performed although the number of times is not displayed 5th henceforth.
Each time, an average is taken and a result is displayed on LED.